forged pistons stupid question but got to ask
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This is a discussion on forged pistons stupid question but got to ask within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; I have a 2003 wrx which has made my life a little rough, but is there any for sure way ...

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    Supporting Member yamaha_rider619's Avatar
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    forged pistons stupid question but got to ask

    I have a 2003 wrx which has made my life a little rough, but is there any for sure way to see if you have forged pistons without taking apart the block? I know its a stupid question, but its worth a shot.
    Josh
    2003 Subaru Wrx Vf39'd
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    Registered User tarmacsti's Avatar
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    You cant... you have forged pistons if;

    the motor has been rebuilt
    jdm import
    sti transplant
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    Supporting Member yamaha_rider619's Avatar
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    Quote Originally Posted by tarmacsti View Post
    You cant... you have forged pistons if;

    the motor has been rebuilt
    jdm import
    sti transplant
    Well i bought the car used, but a couple mechanics told me they saw fingerprint of sealer on the block as if someone took it apart and put the block back together. No one knows for sure if i have forged pistons, but they think i do.
    Josh
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    Registered User tarmacsti's Avatar
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    Yeah its hard to say, why would you want to know anyway... you will only benefit from them if you planning high boost applications..
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    Supporting Member yamaha_rider619's Avatar
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    so i could know what i have in my engine
    Josh
    2003 Subaru Wrx Vf39'd
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    Registered User tarmacsti's Avatar
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    easy - pistons, crank, rods & bearings!



    just kidding dude... umm I would be happy knowing its just healthy even if its got cosworth internals!
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    Supporting Member yamaha_rider619's Avatar
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    true true, but i would just like to know to have peace of mind
    Josh
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  9. #8
    Registered User tarmacsti's Avatar
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    you could always open her up?
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    Moderator Donkey's Avatar
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    Quote Originally Posted by yamaha_rider619 View Post
    Well i bought the car used, but a couple mechanics told me they saw fingerprint of sealer on the block as if someone took it apart and put the block back together. No one knows for sure if i have forged pistons, but they think i do.
    Or you just have a normal rebuilt/ used shortblock. Maybe they blew a head gasket. No way to know without pulling the heads.
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    Supporting Member yamaha_rider619's Avatar
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    Quote Originally Posted by Donkey View Post
    Or you just have a normal rebuilt/ used shortblock. Maybe they blew a head gasket. No way to know without pulling the heads.
    Thats what i figured, thanks though
    Josh
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    Registered User EvoEatr's Avatar
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    Quote Originally Posted by yamaha_rider619 View Post
    I have a 2003 wrx which has made my life a little rough, but is there any for sure way to see if you have forged pistons without taking apart the block? I know its a stupid question, but its worth a shot.

    You might be able to tell if you pull out a spark plug and have a quality bore scope to peek around in there...Or at least you might be able to tell if they are stock or not...

  13. #12
    Supporting Member yamaha_rider619's Avatar
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    Quote Originally Posted by EvoEatr View Post
    You might be able to tell if you pull out a spark plug and have a quality bore scope to peek around in there...Or at least you might be able to tell if they are stock or not...
    alright i wil look into that
    Josh
    2003 Subaru Wrx Vf39'd
    Bugeye mafia #300

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